Home / 13,566.01-18,733.02-8,538.63

Finding the Fourth Proportional to 13,566.01, 18,733.02 and 8,538.63

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Solution

The fourth proportional to 13,566.01, 18,733.02 and 8,538.63 is: 11,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.01 : 18,733.02 = 8,538.63 : x
  2. Step 2: Convert to fraction form
    13,566.01/18,733.02 = 8,538.63/x
  3. Step 3: Cross multiply
    13,566.01x = 18,733.02 × 8,538.63
  4. Step 4: Simplify right side
    13,566.01x = 159,954,190.20
  5. Step 5: Solve for x
    x = 159,954,190.20/13,566.01
  6. Step 6: Final answer
    x = 11,790.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.